/* ==========================================================================
   LEX83 · v2 — componentes editoriales + sistema de movimiento completo
   (Dirección Artística §4, §5, §8, §9, §18). Reutiliza los tokens de lex83.css.
   ========================================================================== */

/* --- Salida de escenas (§4: entrar, permanecer y salir) ------------------ */
html.js .scene > .container {
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base) var(--ease-out);
  transform-origin: 50% 0%;
}
html.js .scene.is-past > .container { transform: scale(0.97) translateY(-8px); opacity: 0.35; }

/* --- Escena sticky (§5): Diseñamos → Construimos → Lanzamos → LEX83. ------ */
.sticky-scene { position: relative; height: 320vh; background: var(--lex-red); color: var(--lex-white); }
.sticky-scene__pin {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  display: flex; align-items: center; overflow: hidden;
}
.sticky-scene__lines { margin-top: 1.5rem; }
.sticky-scene .line { font-size: clamp(2.6rem, 1.2rem + 7vw, 7.5rem); transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out); }
html.js .sticky-scene .line { opacity: 0.18; transform: translateY(14px); }
html.js .sticky-scene .line.is-on { opacity: 1; transform: none; }
html.js .sticky-scene .line.is-done { opacity: 0.45; transform: none; }
.sticky-scene .line--sign { color: var(--lex-black); letter-spacing: -0.04em; }
.sticky-scene .line--sign span { color: var(--lex-white); }
.sticky-scene__note { max-width: 46ch; margin-top: 1.75rem; color: rgba(255, 255, 255, 0.88); }
.sticky-scene .sig-83 { display: block; }
/* Móvil: escena más corta, mismo gesto. */
@media (max-width: 820px) { .sticky-scene { height: 240vh; } }
/* Sin JS o con reduced motion: bloque estático, todo visible. */
html:not(.js) .sticky-scene { height: auto; }
html:not(.js) .sticky-scene__pin { position: relative; height: auto; padding-block: clamp(4rem, 10vw, 8rem); }

/* --- Servicios editoriales (§9) ----------------------------------------- */
.svc-list { border-top: 1px solid var(--line-strong); }
.svc { border-bottom: 1px solid var(--line-strong); }
.svc__row {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 3.5rem 1fr auto 2.25rem; align-items: center; gap: clamp(0.75rem, 2vw, 2rem);
  padding: clamp(1.25rem, 2.5vw, 2rem) 0;
  transition: color var(--duration-fast) var(--ease);
}
.svc__row::-webkit-details-marker { display: none; }
.svc__row:focus-visible { outline: 2px solid var(--lex-red); outline-offset: 4px; border-radius: 6px; }
.svc__num { font-variant-numeric: tabular-nums; color: var(--muted-2); font-size: var(--step-0); transition: color var(--duration-fast) var(--ease); }
.svc__name { display: grid; gap: 0.3rem; }
.svc__title { font-size: var(--step-3); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.svc__ideal { color: var(--muted); font-size: var(--step-0); }
.svc__tag { display: inline-block; vertical-align: middle; font-size: var(--step--1); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--lex-red); border: 1px solid currentColor; padding: 0.1rem 0.5rem; border-radius: 4px; margin-left: 0.5rem; }
.svc__price { text-align: right; font-weight: 500; font-variant-numeric: tabular-nums; }
.svc__price small { display: block; color: var(--muted); font-weight: 400; font-size: var(--step--1); }
.svc__toggle { width: 2.25rem; height: 2.25rem; border: 1px solid var(--line-strong); border-radius: 50%; position: relative; transition: background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease), transform var(--duration-base) var(--ease); }
.svc__toggle::before, .svc__toggle::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); }
.svc__toggle::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform var(--duration-fast) var(--ease); }
.svc:hover .svc__num, .svc[open] .svc__num { color: var(--lex-red); }
.svc[open] .svc__toggle { background: var(--lex-red); border-color: var(--lex-red); color: var(--lex-white); }
.svc[open] .svc__toggle::after { transform: translate(-50%, -50%) rotate(0deg); }
.svc__body { display: grid; grid-template-columns: 3.5rem 1fr auto; gap: clamp(0.75rem, 2vw, 2rem); padding-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.svc__desc { grid-column: 2; max-width: 64ch; color: var(--muted); }
.svc__actions { grid-column: 3; display: flex; flex-direction: column; align-items: flex-end; gap: 0.75rem; }
html.js .svc[open] .svc__body { animation: svcIn var(--duration-base) var(--ease-out); }
@keyframes svcIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.svc__scope { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1.25rem; }
.svc__scope h4 { font-size: var(--step--1); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink); margin-bottom: 0.5rem; }
.svc__list { display: grid; gap: 0.4rem; padding: 0; list-style: none; }
.svc__list li { padding-left: 1.1rem; position: relative; color: var(--ink); }
.svc__list li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 8px; height: 1.5px; background: var(--lex-red); }
.svc__list--out li { color: var(--muted); }
.svc__list--out li::before { background: var(--muted-2); }
@media (max-width: 820px) {
  .svc__row { grid-template-columns: 2.25rem 1fr 2.25rem; }
  .svc__price { grid-column: 2; grid-row: 2; text-align: left; }
  .svc__toggle { grid-column: 3; grid-row: 1; }
  .svc__body { grid-template-columns: 1fr; }
  .svc__desc, .svc__actions { grid-column: 1; }
  .svc__actions { align-items: flex-start; }
  .svc__scope { grid-template-columns: 1fr; }
}

/* --- Portfolio a gran formato (§8) -------------------------------------- */
.work-list { display: grid; gap: clamp(2.5rem, 6vw, 5rem); }
.work { display: block; color: inherit; }
.work__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 15 / 8; background: var(--ink); }
.work__media img, .work__media svg { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--duration-slow) var(--ease-out); }
.work:hover .work__media img, .work:hover .work__media svg { transform: scale(1.025); }
.work__cursor {
  position: absolute; right: 1.25rem; bottom: 1.25rem;
  background: var(--lex-white); color: var(--ink); font-size: var(--step--1); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.6rem 0.9rem; border-radius: 6px; opacity: 0; transform: translateY(8px);
  transition: opacity var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
}
@media (hover: hover) { .work:hover .work__cursor, .work:focus-visible .work__cursor { opacity: 1; transform: none; } }
.work__meta { display: flex; gap: 1rem; margin-top: 1.1rem; font-size: var(--step--1); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.work__meta span:first-child { color: var(--lex-red); }
.work__title { font-size: var(--step-3); margin-top: 0.35rem; letter-spacing: -0.03em; }
.work__result { color: var(--muted); margin-top: 0.35rem; max-width: 60ch; }
.case-chapter { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.case-chapter .index-num { color: var(--lex-red); display: block; margin-bottom: 0.75rem; }

.empty-state { max-width: 640px; padding-block: 1rem 2rem; }
.empty-state h2 { font-size: var(--step-3); margin: 1rem 0 0.75rem; }

/* --- Proceso (raíl numerado) --------------------------------------------- */
.process-rail { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; border-top: 1px solid var(--line-strong); }
.process-rail__item { padding: 1.5rem 1.1rem 0 0; position: relative; }
.process-rail__item::before { content: ""; position: absolute; top: -1px; left: 0; width: 28px; height: 2px; background: var(--lex-red); }
.process-rail__num { font-variant-numeric: tabular-nums; color: var(--lex-red); font-weight: 600; font-size: var(--step-0); }
.process-rail__item h3, .process-rail__item h2 { font-size: var(--step-1); margin: 0.75rem 0 0.4rem; letter-spacing: -0.02em; }
.process-rail__item p { color: var(--muted); font-size: var(--step--1); }
.process-rail--vertical { grid-template-columns: 1fr; border-top: 0; }
.process-rail--vertical .process-rail__item { display: grid; grid-template-columns: 5rem 1fr; column-gap: 1.5rem; padding: clamp(1.5rem, 3vw, 2.5rem) 0; border-top: 1px solid var(--line-strong); }
.process-rail--vertical .process-rail__num { font-size: var(--step-3); grid-row: span 2; line-height: 1; }
.process-rail--vertical .process-rail__item h2 { font-size: var(--step-2); margin: 0 0 0.4rem; }
.process-rail--vertical .process-rail__item p { font-size: var(--step-0); max-width: 60ch; }
@media (max-width: 1100px) { .process-rail { grid-template-columns: repeat(4, 1fr); row-gap: 2rem; } }
@media (max-width: 640px) {
  .process-rail { grid-template-columns: 1fr 1fr; }
  .process-rail--vertical { grid-template-columns: 1fr; }
  .process-rail--vertical .process-rail__item { grid-template-columns: 3rem 1fr; }
}

/* --- Diferenciadores ------------------------------------------------------ */
.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: clamp(1.5rem, 4vw, 3.5rem); row-gap: clamp(2rem, 4vw, 3rem); }
.diff { border-top: 1px solid var(--line-strong); padding-top: 1.25rem; }
.diff .index-num { color: var(--lex-red); }
.diff h3 { font-size: var(--step-1); margin: 0.6rem 0 0.4rem; letter-spacing: -0.02em; }
.diff p { color: var(--muted); }
@media (max-width: 820px) { .diff-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .diff-grid { grid-template-columns: 1fr; } }

/* --- FAQ breve (Home) ---------------------------------------------------- */
.faq-split { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.faq-split h2 { font-size: var(--step-3); }
@media (max-width: 820px) { .faq-split { grid-template-columns: 1fr; } }

/* --- CTA final negro ----------------------------------------------------- */
.section--ink .cta-block h2 { color: var(--lex-white); }

/* --- Links editoriales con subrayado animado (§12) ----------------------- */
.link-arrow { display: inline-flex; align-items: center; gap: 0.45rem; font-weight: 500; background-image: linear-gradient(currentColor, currentColor); background-size: 0% 1.5px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size var(--duration-fast) var(--ease); padding-bottom: 2px; }
.link-arrow:hover { background-size: 100% 1.5px; }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* --- Textos legales en borrador ----------------------------------------- */
.legal-draft { background: var(--lex-red-tint); border-left: 3px solid var(--lex-red); padding: 0.9rem 1.1rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: var(--step--1); }

/* --- Formularios LEX83 (contacto, aceptación, área cliente) --------------- */
.lx-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.25rem; }
.lx-form .field--full { grid-column: 1 / -1; }
.lx-form .error-msg { color: var(--error); font-size: var(--step--1); display: none; }
.lx-form .field.is-invalid .error-msg { display: block; }
.lx-form .hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 0.65rem; align-items: flex-start; font-size: var(--step--1); color: var(--muted); }
.consent input { width: 18px; height: 18px; margin-top: 0.15rem; accent-color: var(--ink); flex: none; }
.consent a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.consent.is-invalid { color: var(--error); }
@media (max-width: 820px) { .lx-form .form-grid { grid-template-columns: 1fr; } }

/* --- Focus visible diferenciado ----------------------------------------- */
:where(a, button, summary, input, select, textarea):focus-visible { outline: 2px solid var(--lex-red); outline-offset: 3px; }

/* --- Reduced motion: todo visible y estático ----------------------------- */
@media (prefers-reduced-motion: reduce) {
  html.js .scene.is-past > .container { transform: none; opacity: 1; }
  .sticky-scene { height: auto; }
  .sticky-scene__pin { position: relative; height: auto; padding-block: clamp(4rem, 10vw, 8rem); }
  html.js .sticky-scene .line { opacity: 1; transform: none; }
}

/* Páginas de aplicación: sin márgenes de contenido editorial. */
.entry-content--app > * + * { margin-top: 0; }
.process-rail__item h3 { font-size: var(--step-0); }

/* --- Hero con vídeo de fondo (en silencio, en bucle) --------------------- */
.hero--video { position: relative; overflow: hidden; background: var(--lex-black); color: var(--lex-white); isolation: isolate; }
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,10,11,.88) 0%, rgba(10,10,11,.66) 42%, rgba(10,10,11,.28) 100%),
    linear-gradient(0deg, rgba(10,10,11,.55) 0%, rgba(10,10,11,0) 35%);
}
.hero--video .hero__content { max-width: 760px; position: relative; }
.hero--video h1 { color: var(--lex-white); }
.hero--video .lead { color: rgba(255,255,255,.82); max-width: 48ch; }
.hero--video .eyebrow { color: rgba(255,255,255,.75); }
.hero--video .eyebrow::before { background: var(--lex-red); }
.hero--video .scroll-cue { color: rgba(255,255,255,.6); }
.hero--video .scroll-cue i { background: rgba(255,255,255,.5); }
.hero__pause {
  position: absolute; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem);
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4);
  background: rgba(10,10,11,.35); color: var(--lex-white); cursor: pointer; display: grid; place-items: center;
  transition: background var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);
}
.hero__pause:hover { background: var(--lex-red); border-color: var(--lex-red); }
.hero__pause span { width: 10px; height: 12px; border-left: 3px solid currentColor; border-right: 3px solid currentColor; }
.hero__pause[aria-pressed="true"] span { width: 0; height: 0; border: 0; border-left: 11px solid currentColor; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }
@media (max-width: 820px) {
  .hero__shade { background: linear-gradient(0deg, rgba(10,10,11,.9) 0%, rgba(10,10,11,.6) 55%, rgba(10,10,11,.45) 100%); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__video { display: none; }
  .hero__bg { background: var(--lex-black) url("../video/hero-poster.jpg") center / cover no-repeat; }
  .hero__pause { display: none; }
}