/* ==========================================================
   OnyxTech — Propuesta 2 "Órbita"
   Inmersiva y dinámica: noche morada profunda, órbitas de
   colores vivos y un rack interactivo como pieza central.
   ========================================================== */
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/IBMPlexSans-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
:root {
  --noche: #170a2b;
  --noche-2: #21103c;
  --noche-3: #2c1750;
  --linea: #432a6e;
  --onyx: #643187;
  --onyx-claro: #a36ad1;
  --texto: #f4eefc;
  --suave: #bfb0d8;

  --cian: #33e1f0;
  --lima: #b8f24e;
  --magenta: #ff62c9;
  --ambar: #ffb84d;
  --violeta: #b07cff;

  --display: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --cuerpo: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --tecnico: "IBM Plex Mono", "Consolas", monospace;
  --w: 1180px;
  --pad: clamp(16px, 4vw, 40px);
}
.k-hpc { --k: var(--violeta); }
.k-ia  { --k: var(--cian); }
.k-alm { --k: var(--lima); }
.k-q   { --k: var(--magenta); }
.k-bio { --k: var(--ambar); }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
:where(a, button, input, textarea, [tabindex]) { scroll-margin-top: 104px; }
body { margin: 0; background: var(--noche); color: var(--texto); font: 400 1rem/1.5 var(--cuerpo); -webkit-font-smoothing: antialiased; }
a { color: var(--cian); }
:focus-visible { outline: 3px solid var(--lima); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--display); font-weight: 500; margin: 0; line-height: 1.08; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 2.1vw, 2.5rem); font-weight: 500; }
.wrap { max-width: var(--w); margin: 0 auto; padding: 0 var(--pad); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--lima); color: var(--noche); padding: 8px 14px; z-index: 99; }
.skip:focus { left: 8px; }
section { scroll-margin-top: 104px; }

/* ---------- cabecera ---------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 30;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px var(--pad);
  background: linear-gradient(var(--noche) 0%, rgba(23,10,43,.75) 70%, rgba(23,10,43,0));
}
.brand { display: flex; align-items: center; flex-shrink: 0; text-decoration: none; }
.brand__logo { display: block; width: clamp(180px, 18vw, 224px); height: auto; filter: brightness(0) invert(1); }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a { color: var(--texto); text-decoration: none; padding: 8px 14px; border-radius: 10px; font-weight: 500; }
.nav a:hover { background: var(--noche-3); }
.nav .nav__cta { background: var(--lima); color: var(--noche); font-weight: 600; }
.nav .nav__cta:hover { background: #d2ff7d; }
.menu-btn { display: none; }

/* ---------- botones ---------- */
.btn { display: inline-flex; padding: 12px 20px; border-radius: 12px; font: 600 1rem/1 var(--cuerpo); text-decoration: none; cursor: pointer; border: 2px solid transparent; }
.btn--glow { background: var(--lima); color: var(--noche); box-shadow: 0 0 0 0 rgba(184,242,78,.0); transition: box-shadow .2s ease; }
.btn--glow:hover { box-shadow: 0 0 28px 2px rgba(184,242,78,.45); }
.btn--line { border-color: var(--suave); color: var(--texto); }
.btn--line:hover { border-color: var(--cian); color: var(--cian); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: grid; align-items: center; overflow: hidden; isolation: isolate; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero::after {
  /* La protección cubre el párrafo completo (32em × 1,1rem), incluso al ampliar texto. */
  --fin-texto: min(100%, calc((100% - min(100%, var(--w))) / 2 + var(--pad) + 35.2rem));
  --fin-degradado: min(100%, calc(var(--fin-texto) + 20%));
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, var(--noche) 0%, rgba(23,10,43,.82) var(--fin-texto), rgba(23,10,43,0) var(--fin-degradado));
  pointer-events: none;
}
.hero__inner { max-width: var(--w); width: 100%; margin: 0 auto; padding: 100px var(--pad); }
.hero__kicker { color: var(--suave); margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.2rem, 3.6vw, 3.8rem); font-weight: 500; max-width: 12ch; letter-spacing: -0.045em; line-height: 1.04; }
.hero__lead { max-width: 32em; font-size: 1.1rem; color: var(--suave); margin: 16px 0 22px; font-weight: 400; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.legend { position: absolute; left: 0; right: 0; bottom: 28px; margin: 0 auto; max-width: var(--w); padding: 0 var(--pad); list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .92rem; color: var(--suave); }
.legend li::before { content: ""; display: inline-block; width: 22px; height: 3px; border-radius: 3px; background: var(--k); margin-right: 8px; vertical-align: middle; }
.legend { align-items: center; }
.legend__control { margin-left: auto; }
.legend .legend__control::before { display: none; }
.motion-control { min-height: 32px; padding: 5px 9px; border: 1px solid var(--suave); border-radius: 8px; color: var(--suave); background: var(--noche); font: inherit; cursor: pointer; }
.motion-control:hover { color: var(--texto); border-color: var(--cian); }

/* ---------- secciones ---------- */
.rack-sec, .ciclo, .noticias, .clientes, .contacto { padding: clamp(44px, 4vw, 68px) 0; }
.sec-head { max-width: 44rem; margin-bottom: 22px; }
.sec-head p { color: var(--suave); margin: 8px 0 0; font-size: 1.05rem; line-height: 1.4; }
.sec-head--split { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.sec-head--split > div:first-child { max-width: 38rem; }

/* ---------- rack ---------- */
#rack.rack-sec { padding-top: 40px; padding-bottom: 32px; }
#rack .sec-head { margin-bottom: 12px; }
#rack .rack {
  background: linear-gradient(180deg, #2a1748, #1d0f35);
  border: 2px solid var(--linea); border-radius: 18px;
  padding: 7px; display: flex; flex-direction: column; gap: 3px;
  position: relative;
}
#rack .rack::before, #rack .rack::after { content: ""; position: absolute; top: 12px; bottom: 12px; width: 6px; background: repeating-linear-gradient(var(--linea) 0 4px, transparent 4px 12px); }
#rack .rack::before { left: 5px; } #rack .rack::after { right: 5px; }
#rack .unit { border-radius: 10px; background: var(--noche-2); border: 1px solid var(--linea); overflow: hidden; }
#rack .unit__face {
  all: unset; box-sizing: border-box; cursor: pointer; width: 100%;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px;
  min-height: 48px; padding: 6px 14px;
  background: repeating-linear-gradient(90deg, transparent 0 calc(100% - 140px), rgba(255,255,255,.035) calc(100% - 140px) 100%),
              repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 2px, transparent 2px 6px);
}
#rack .unit__face:focus-visible { outline: 3px solid var(--k); outline-offset: -3px; }
#rack .unit__face:hover { background-color: var(--noche-3); }
#rack .leds { display: flex; gap: 5px; }
#rack .leds i { width: 8px; height: 8px; border-radius: 50%; background: var(--k); opacity: .3; }
#rack .leds i:first-child { opacity: 1; box-shadow: 0 0 10px var(--k); }
#rack .unit__face[aria-expanded="true"] .leds i { opacity: 1; box-shadow: 0 0 10px var(--k); }
#rack .unit__name { font: 500 clamp(1.125rem, 1.25vw, 1.25rem)/1.2 var(--display); letter-spacing: -0.02em; }
#rack .unit__name em { font: 600 .72rem/1 var(--cuerpo); font-style: normal; background: var(--k); color: var(--noche); padding: 4px 8px; border-radius: 6px; margin-left: 8px; vertical-align: middle; }
#rack .unit__spec { color: var(--k); font: 500 .97rem/1.3 var(--tecnico); text-align: right; }
#rack .unit__face[aria-expanded="true"] { border-bottom: 1px solid var(--linea); box-shadow: inset 4px 0 0 var(--k); }
#rack .unit__tray { padding: 8px 12px 8px 38px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 8px; animation: bandeja .35s ease; }
#rack .unit__tray[hidden] { display: none; }
#rack .unit__tray p { margin: 0; color: var(--texto); max-width: 36em; font-size: .94rem; line-height: 1.35; }
#rack .unit__tray ul { margin: 0; padding: 0; list-style: none; color: var(--suave); font-size: .94rem; line-height: 1.3; }
#rack .unit__tray li { padding: 1px 0 1px 14px; position: relative; border-bottom: 1px dashed var(--linea); }
#rack .unit__tray li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 2px; background: var(--k); }
@media (min-width: 901px) {
  #rack .sec-head h2 { font-size: clamp(2rem, 1.8vw, 2.125rem); }
  #rack .sec-head p { font-size: 1rem; line-height: 1.35; }
}
@keyframes bandeja { from { opacity: 0; transform: translateX(-14px); } to { opacity: 1; transform: none; } }
#rack .partners { color: var(--suave); margin-top: 10px; }
#rack .partners strong { color: var(--texto); }

/* ---------- ciclo ---------- */
.ciclo { background: var(--noche-2); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: linear-gradient(90deg, var(--violeta), var(--cian), var(--lima), var(--ambar)); }
.steps li { padding-right: 24px; position: relative; }
.steps__n { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--noche); border: 2px solid var(--cian); font: 700 1.2rem/1 var(--display); color: var(--cian); position: relative; }
.steps li:nth-child(1) .steps__n { border-color: var(--violeta); color: var(--violeta); }
.steps li:nth-child(3) .steps__n { border-color: var(--lima); color: var(--lima); }
.steps li:nth-child(4) .steps__n { border-color: var(--ambar); color: var(--ambar); }
.steps h3 { font-size: 1.05rem; font-weight: 500; line-height: 1.2; margin: 12px 0 4px; }
.steps p { margin: 0; color: var(--suave); }

/* ---------- noticias ---------- */
.news-meta { font-size: .95rem !important; }
.news-filters { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 14px; background: var(--noche-2); border: 1px solid var(--linea); }
.news-filters:empty { display: none; }
.news-filter { background: transparent; border: 0; color: var(--suave); padding: 8px 11px; border-radius: 10px; font: 500 .92rem/1 var(--cuerpo); cursor: pointer; }
.news-filter:hover { color: var(--texto); background: var(--noche-3); }
.news-filter[aria-pressed="true"] { background: var(--texto); color: var(--noche); }

.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.news-card { --k: var(--violeta); display: grid; grid-template-columns: 1fr; gap: 6px; padding: 16px 0 16px 18px; border-top: 1px solid var(--linea); position: relative; }
.news-card[hidden] { display: none; }
.news-card::before { content: ""; position: absolute; left: 0; top: 30px; bottom: 30px; width: 3px; border-radius: 3px; background: var(--k); }
.news-card[data-cat="ia"] { --k: var(--cian); }
.news-card[data-cat="almacenamiento"] { --k: var(--lima); }
.news-card[data-cat="cuantica"] { --k: var(--magenta); }
.news-card[data-cat="biologica"] { --k: var(--ambar); }
.news-card[data-cat="seguridad"] { --k: #ff8a6b; }
.news-card--lead { grid-column: 1 / -1; padding: 22px 24px 22px 30px; border: 1px solid var(--linea); border-radius: 18px; margin-bottom: 12px;
  background: radial-gradient(120% 140% at 100% 0%, rgba(255,98,201,.18), transparent 55%), var(--noche-2); }
.news-card--lead::before { left: 18px; }
.news-card--lead .news-card__title { font-size: clamp(1.75rem, 1.75vw, 2.1rem); line-height: 1.18; max-width: 30ch; }
.news-card--lead .news-card__summary { font-size: 1rem; max-width: 40em; }
.news-card__head { display: flex; gap: 12px; align-items: baseline; font-size: .875rem; color: var(--suave); flex-wrap: wrap; }
.news-card__cat { color: var(--k); font-weight: 600; }
.news-card__visual { display: block; width: min(100%, 20rem); padding: 6px; border-radius: 12px; overflow: hidden; border: 1px solid var(--linea); background: var(--noche); }
.news-card__image { display: block; width: 100%; height: auto; border-radius: 10px; }
.news-card--lead.news-card--illustrated { grid-template-columns: minmax(0, 1fr) minmax(220px, 32%); column-gap: 28px; grid-template-areas: "head visual" "title visual" "summary visual" "why visual" "foot visual"; }
.news-card--lead.news-card--illustrated .news-card__head { grid-area: head; }
.news-card--lead.news-card--illustrated .news-card__visual { grid-area: visual; width: 100%; align-self: center; }
.news-card--lead.news-card--illustrated .news-card__title { grid-area: title; }
.news-card--lead.news-card--illustrated .news-card__summary { grid-area: summary; }
.news-card--lead.news-card--illustrated .news-card__why { grid-area: why; }
.news-card--lead.news-card--illustrated .news-card__foot { grid-area: foot; }
@media (max-width: 720px) {
  .news-card--lead.news-card--illustrated { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "visual" "title" "summary" "why" "foot"; }
  .news-card--lead.news-card--illustrated .news-card__visual { width: min(100%, 16rem); margin: 8px 0; }
}
.news-card__title { font: 500 1.1rem/1.2 var(--display); letter-spacing: -0.02em; margin: 0; }
.news-card__summary { margin: 0; color: var(--suave); }
.news-card__why { margin: 0; font-size: .94rem; }
.news-card__why strong { color: var(--k); font-weight: 600; }
.news-card__foot { display: flex; gap: 12px; align-items: center; font-size: .875rem; color: var(--suave); }
.news-empty { color: var(--suave); }

/* ---------- clientes ---------- */
.clientes { background: radial-gradient(90% 110% at 50% 0%, rgba(100,49,135,.25), transparent 70%), var(--noche); }
.clientes__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 22px; }
.clientes__head { margin-bottom: 0; }
.clientes__head h2 { font-size: clamp(2rem, 2.1vw, 2.5rem); }
.clientes__head p { font-size: 1rem; }
.clientes__controls { display: flex; gap: 8px; flex: 0 0 auto; padding-bottom: 4px; }
.clientes__controls button { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--linea); border-radius: 50%; background: var(--noche-2); color: var(--texto); font: 400 1.6rem/1 var(--cuerpo); cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.clientes__controls button:hover:not(:disabled) { border-color: var(--cian); color: var(--cian); }
.clientes__controls button:disabled { opacity: .38; cursor: not-allowed; }
.clientes__viewport { overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: none; scroll-snap-type: x mandatory; scroll-behavior: smooth; touch-action: pan-x; cursor: grab; }
.clientes__viewport::-webkit-scrollbar { display: none; }
.clientes__viewport.is-dragging { cursor: grabbing; scroll-snap-type: none; user-select: none; }
.clientes__track { display: flex; align-items: stretch; gap: 16px; }
.cliente-card { position: relative; display: flex; flex: 0 0 calc((100% - 32px) / 3); overflow: hidden; padding: 22px 22px 24px; border: 1px solid rgba(191,176,216,.16); border-radius: 14px; background: linear-gradient(145deg, rgba(44,23,80,.82), rgba(33,16,60,.8)); scroll-snap-align: start; }
.cliente-card blockquote { display: flex; flex: 1; flex-direction: column; margin: 0; }
.cliente-card p { margin: 0 0 22px; color: var(--texto); font-size: 1rem; line-height: 1.55; }
.cliente-card footer { display: grid; gap: 3px; margin-top: auto; color: var(--suave); font-size: .875rem; line-height: 1.45; }
.cliente-card footer strong { color: var(--texto); font-weight: 600; }
.cliente-card__accent { position: absolute; inset: auto 0 0; height: 3px; background: var(--cian); }
.cliente-card:nth-child(3n + 2) .cliente-card__accent { background: var(--lima); }
.cliente-card:nth-child(3n) .cliente-card__accent { background: var(--magenta); }
.clientes__position { margin: 12px 0 0; color: var(--suave); font-size: .8125rem; text-align: right; }

/* Franja de confianza, subordinada a los testimonios. */
.confianza { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--linea); }
.confianza__head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; }
.confianza__head h3 { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--suave); line-height: 1.3; }
.confianza__head [hidden] { display: none; }
.confianza__viewport { overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--linea) var(--noche); }
.confianza__list { display: flex; gap: 12px; list-style: none; margin: 0; padding: 4px 0 118px; }
.confianza__card { display: grid; place-items: center; flex: 0 0 calc((100% - 60px) / 6); min-width: 0; height: 116px; border: 1px solid var(--linea); border-radius: 12px; background: var(--noche-3); scroll-snap-align: start; }
.confianza__logo { position: relative; display: grid; place-items: center; width: 100%; height: 100%; padding: 10px; border: 0; border-radius: inherit; background: transparent; color: var(--texto); cursor: help; }
.confianza__card img { display: block; width: 100%; max-width: 108px; height: 94px; object-fit: contain; mix-blend-mode: screen; filter: grayscale(1) invert(1); }
.confianza__logo:is(:hover, :focus, :active) img { mix-blend-mode: normal; filter: none; }
.confianza__nombre { position: absolute; z-index: 1; left: 0; right: 0; top: calc(100% + 8px); padding: 8px; border: 1px solid var(--violeta); border-radius: 8px; background: var(--noche); color: var(--texto); font: 400 .75rem/1.3 var(--cuerpo); overflow-wrap: anywhere; cursor: default; }
.confianza__nombre::before { content: ""; position: absolute; left: -1px; right: -1px; top: -10px; height: 10px; }
.confianza__nombre[hidden] { display: none; }
.confianza:not([data-nombres-activos]) .confianza__logo:is(:hover, :focus) .confianza__nombre[hidden] { display: block; }
.confianza__position { margin: 8px 0 0; color: var(--suave); font-size: .8125rem; text-align: right; min-height: 1.5em; }
@media (max-width: 960px) { .confianza__card { flex-basis: calc((100% - 36px) / 4); } }
@media (max-width: 600px) { .confianza__card { flex-basis: calc((100% - 12px) / 2); } }

/* ---------- contacto ---------- */
.contacto__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 72px); }
.contacto__lead { color: var(--suave); font-size: 1.12rem; }
.datos { list-style: none; padding: 0; margin: 28px 0 0; }
.datos li { padding: 14px 0; border-top: 1px solid var(--linea); display: grid; grid-template-columns: 7rem 1fr; }
.datos span { color: var(--suave); }
.contacto__proceso { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--linea); }
.contacto__proceso h3 { margin: 0 0 6px; font-size: .95rem; font-weight: 500; }
.contacto__proceso p { margin: 0; color: var(--suave); font-size: .875rem; line-height: 1.55; }
.contacto__proceso span { color: var(--cian); padding: 0 4px; white-space: nowrap; }
.form { display: grid; gap: 14px; }
.form__help { margin: 0; color: var(--suave); font-size: .875rem; }
.form label { display: grid; gap: 6px; font-weight: 500; color: var(--suave); }
.form input, .form textarea { font: inherit; color: var(--texto); background: var(--noche-2); border: 1px solid var(--linea); border-radius: 10px; padding: 13px 14px; }
.form input, .form textarea { border-color: #80619c; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--cian); box-shadow: 0 0 0 3px rgba(51,225,240,.2); }
.form input:focus-visible, .form textarea:focus-visible { outline: 2px solid var(--cian); outline-offset: 2px; }
.form .btn { justify-self: start; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; min-height: 1.4em; font-weight: 500; }
.form-status.is-ok { color: var(--lima); }
.form-status.is-error { color: #ff8fa8; }

.foot { border-top: 1px solid var(--linea); padding: 26px 0; color: var(--suave); font-size: .92rem; }
.foot__row { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.foot__accessibility { display: inline-flex; align-items: center; min-height: 44px; color: var(--suave); text-underline-offset: 4px; }
.foot__accessibility:hover { color: var(--texto); }
.foot__back { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; color: var(--suave); text-decoration: none; font-weight: 500; transition: color .2s ease; }
.foot__back-icon { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border: 1px solid var(--linea); border-radius: 14px; background: var(--noche-2); color: var(--cian); transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.foot__back-icon svg { transition: transform .2s ease; }
.foot__back:hover, .foot__back:focus-visible { color: var(--texto); }
.foot__back:hover .foot__back-icon, .foot__back:focus-visible .foot__back-icon { border-color: var(--cian); background: var(--noche-3); box-shadow: 0 0 20px rgba(51,225,240,.18); }
.foot__back:hover .foot__back-icon svg, .foot__back:focus-visible .foot__back-icon svg { transform: translateY(-2px); }

/* ---------- declaración de accesibilidad ---------- */
.top--document { position: static; flex-wrap: wrap; background: var(--noche); }
.document-return { display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 4px; }
.accessibility { max-width: 52rem; padding-top: clamp(32px, 5vw, 64px); padding-bottom: 64px; }
.accessibility__intro { padding-bottom: 28px; border-bottom: 1px solid var(--linea); }
.accessibility__eyebrow, .accessibility__date { color: var(--suave); font-size: .92rem; }
.accessibility h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.accessibility h2 { font-size: clamp(1.35rem, 3vw, 1.65rem); line-height: 1.25; }
.accessibility section { margin-top: 32px; }
.accessibility p, .accessibility li { line-height: 1.65; }
.accessibility ul { padding-left: 1.4em; }
.accessibility li + li { margin-top: 10px; }
.accessibility a { text-underline-offset: 3px; overflow-wrap: anywhere; }

/* Noticias completas: misma tipografía y paleta, lectura sin animación. */
.article-page { max-width: 64rem; padding-top: clamp(28px, 5vw, 56px); padding-bottom: 64px; }
.article-page__breadcrumb { margin-bottom: 32px; color: var(--suave); font-size: .92rem; }
.article-page a { text-underline-offset: 4px; overflow-wrap: anywhere; }
.article-page__intro { max-width: 50rem; }
.article-page__meta, .article-page__author { color: var(--suave); }
.article-page h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.12; overflow-wrap: anywhere; }
.article-page__lead { font-size: 1.125rem; line-height: 1.65; }
.article-page__figure { margin: 32px 0; padding: clamp(6px, 1.5vw, 14px); border: 1px solid var(--linea); border-radius: 18px; background: linear-gradient(135deg, var(--noche-3), var(--noche)); }
.article-page__figure img { display: block; width: 100%; height: auto; border-radius: 10px; }
.article-page__figure figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; padding: 12px 4px 2px; font-size: .875rem; color: var(--suave); }
.article-page__figure figcaption a { display: inline-flex; align-items: center; min-height: 24px; }
.article-page__body { max-width: 44rem; font-size: 1.0625rem; line-height: 1.75; }
.article-page__body h2 { margin-top: 32px; font-size: clamp(1.4rem, 3vw, 1.8rem); line-height: 1.25; }
.article-page__body h3 { font-size: 1.25rem; line-height: 1.3; }
.article-page__body img { max-width: 100%; height: auto; }
.article-page__body pre { max-width: 100%; overflow-x: auto; }
.article-page__body { overflow-wrap: anywhere; }
.article-page__body ul, .article-page__body ol { padding-left: 1.4em; }
.article-page__source { border-left: 2px solid var(--cian); padding: 16px 20px; margin: 32px 0; background: var(--noche-2); }
.article-page__back { display: inline-flex; align-items: center; min-height: 44px; margin-top: 24px; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .menu-btn { display: inline-block; background: var(--noche-3); color: var(--texto); border: 1px solid var(--linea); border-radius: 10px; padding: 8px 14px; font: 500 1rem var(--cuerpo); cursor: pointer; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--noche); padding: 10px var(--pad) 18px; border-bottom: 1px solid var(--linea); }
  .nav.is-open { display: flex; }
  .nav { max-height: calc(100svh - 96px); overflow-y: auto; }
}
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; gap: 32px 0; }
  .steps::before { display: none; }
  #rack.rack-sec { padding-top: 44px; padding-bottom: 40px; }
  #rack .unit__face { min-height: 52px; padding: 10px 14px; }
  #rack .unit__name { font-size: 1rem; }
  #rack .unit__spec { font-size: .92rem; line-height: 1.5; }
  #rack .unit__tray { grid-template-columns: 1fr; padding: 14px 16px 14px 26px; gap: 12px; }
  #rack .unit__tray p, #rack .unit__tray ul { font-size: 1rem; line-height: 1.5; }
  #rack .unit__tray li { padding-top: 4px; padding-bottom: 4px; }
  .contacto__grid { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .clientes__top { align-items: flex-start; }
  .cliente-card { flex-basis: calc((100% - 16px) / 2); }
}
@media (max-width: 720px) {
  :where(a, button, input, textarea, [tabindex]) { scroll-margin-top: 96px; }
  section { scroll-margin-top: 96px; }
  .hero::after { background: linear-gradient(180deg, rgba(23,10,43,.8), var(--noche) 85%); }
  #rack .unit__face { grid-template-columns: auto 1fr; }
  #rack .unit__spec { grid-column: 2; text-align: left; }
  .steps { grid-template-columns: 1fr; }
  .news-card--lead { padding: 24px 22px 24px 32px; }
  .news-card--lead::before { left: 14px; }
  .legend { position: static; padding-bottom: 28px; }
  .clientes__top { gap: 14px; }
  .clientes__head h2 { font-size: 1.75rem; }
  .clientes__controls button { width: 36px; height: 36px; }
  .clientes__track { gap: 12px; }
  .cliente-card { flex-basis: 100%; padding: 20px 18px 22px; }
  .cliente-card p { margin-bottom: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .foot__back:hover .foot__back-icon svg, .foot__back:focus-visible .foot__back-icon svg { transform: none; }
  html { scroll-behavior: auto; }
  .clientes__viewport { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}