/* ============================================================================
   COMPONENTES — piezas reutilizables del sitio público
   ========================================================================== */

@layer components {

  /* ------------------------------------------------------------------ botón
     Radio 0 (DA-05). Coral con texto de tinta: 5.96:1.
     El hover INVIERTE en lugar de oscurecer, porque coral oscuro con tinta
     baja a 4.43:1 y no pasa AA. */
  .c-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6em;
    padding: 0.95em 1.5em;
    font-family: var(--font-data);
    font-size: var(--fs-200);
    font-weight: 500;
    letter-spacing: var(--tracking-data);
    text-transform: uppercase;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius);
    transition: background-color 180ms var(--ease),
                color 180ms var(--ease),
                border-color 180ms var(--ease),
                transform 180ms var(--ease);
  }

  .c-btn__arrow {
    width: 0.9em;
    height: 0.9em;
    flex-shrink: 0;
    transition: transform 180ms var(--ease);
  }

  .c-btn:hover .c-btn__arrow { transform: translateX(3px); }

  .c-btn--primary {
    background: var(--coral-500);
    color: var(--ink-900);
  }

  .c-btn--primary:hover {
    background: var(--paper-100);
    color: var(--ink-900);
    border-color: var(--coral-500);
  }

  .c-btn--ghost {
    background: transparent;
    color: var(--paper-100);
    border-color: var(--line-strong);
  }

  .c-btn--ghost:hover {
    background: rgba(251, 247, 239, 0.1);
    border-color: var(--paper-100);
  }

  /* Sobre fondo claro: mismo componente, no una excepción escrita a mano */
  .c-btn--ink {
    background: transparent;
    color: var(--ink-900);
    border-color: var(--line-light);
  }

  .c-btn--ink:hover {
    background: var(--ink-900);
    color: var(--paper-100);
    border-color: var(--ink-900);
  }

  /* ------------------------------------------------------------------ marca
     El wordmark es tipográfico: no existe archivo de logo. El punto coral es
     una excepción documentada a la regla de radio 0. */
  .c-wordmark {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.0625rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 1;
  }

  .c-wordmark__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--coral-500);
    flex-shrink: 0;
  }

  .c-wordmark__logo {
    /* La cabecera mide 68 px: a 28 px el logo se veía diminuto. */
    height: clamp(34px, 3vw, 42px);
    width: auto;
    max-width: min(62vw, 240px);
    object-fit: contain;
  }

  /* Aviso de mantenimiento: solo lo ve el administrador con sesión abierta */
  .c-maintbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    padding: 10px var(--margin);
    background: var(--ink-900);
    color: var(--paper-100);
    font-size: var(--fs-100);
    letter-spacing: 0.02em;
    border-bottom: 1px solid var(--line-dark);
  }

  .c-maintbar__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--coral-500);
    flex-shrink: 0;
  }

  .c-maintbar__link {
    color: var(--coral-500);
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  /* -------------------------------------------------------------- cabecera */
  .c-head {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 60;
    height: var(--head-h);
    display: flex;
    align-items: center;
    color: var(--paper-100);
    transition: background-color 260ms var(--ease), border-color 260ms var(--ease);
    border-bottom: 1px solid transparent;
  }

  .c-head.is-elevated {
    background: var(--ink-900);
    border-bottom-color: var(--line-dark);
  }

  .c-head__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-5);
    width: 100%;
  }

  /* Navegación en mono versalitas, sin pastillas */
  .c-nav {
    display: none;
    gap: clamp(14px, 2vw, 28px);
  }

  .c-nav__link {
    position: relative;
    font-family: var(--font-data);
    font-size: var(--fs-100);
    font-weight: 500;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    padding-block: 0.4rem;
    color: var(--on-ink-muted);
    transition: color 180ms var(--ease);
  }

  .c-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 100%;
    background: var(--coral-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 240ms var(--ease);
  }

  .c-nav__link:hover { color: var(--paper-100); }
  .c-nav__link:hover::after { transform: scaleX(1); }

  @media (min-width: 1000px) {
    .c-nav { display: flex; }
  }

  .c-head__tools {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
  }

  /* Selector de idioma: dos letras, sin caja */
  .c-lang {
    display: flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-data);
    font-size: var(--fs-100);
    letter-spacing: 0.08em;
  }

  .c-lang__opt {
    padding: 0.35rem 0.3rem;
    color: rgba(251, 247, 239, 0.5);
    text-transform: uppercase;
  }

  .c-lang__opt[aria-current="true"] { color: var(--paper-100); }

  .c-lang__sep { color: rgba(251, 247, 239, 0.28); }

  /* Disparador del menú: la palabra, no tres líneas (DA-15) */
  .c-menubtn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-data);
    font-size: var(--fs-100);
    font-weight: 500;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--paper-100);
    padding: 0.5rem 0;
  }

  .c-menubtn__bars {
    position: relative;
    width: 16px;
    height: 8px;
    flex-shrink: 0;
  }

  .c-menubtn__bars::before,
  .c-menubtn__bars::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: currentColor;
    transition: transform 240ms var(--ease), opacity 160ms linear;
  }

  .c-menubtn__bars::before { top: 0; }
  .c-menubtn__bars::after { bottom: 0; }

  .c-menubtn[aria-expanded="true"] .c-menubtn__bars::before { transform: translateY(3.5px) rotate(45deg); }
  .c-menubtn[aria-expanded="true"] .c-menubtn__bars::after { transform: translateY(-3.5px) rotate(-45deg); }

  @media (min-width: 1000px) {
    .c-menubtn { display: none; }
  }

  /* ------------------------------------------------------------------ menú */
  .c-menu {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: var(--ink-900);
    padding: calc(var(--head-h) + var(--sp-6)) var(--margin) var(--sp-7);
    display: grid;
    align-content: start;
    gap: var(--sp-2);
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transition: opacity 260ms var(--ease), visibility 0s linear 260ms;
  }

  .c-menu.is-open {
    visibility: visible;
    opacity: 1;
    transition: opacity 260ms var(--ease), visibility 0s;
  }

  .c-menu__link {
    display: flex;
    align-items: baseline;
    gap: var(--sp-4);
    padding-block: var(--sp-3);
    border-bottom: 1px solid var(--line-dark);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.9rem, 8vw, 3rem);
    text-transform: uppercase;
    letter-spacing: var(--tracking-display);
    line-height: 1;
    color: var(--paper-100);
  }

  .c-menu__num {
    font-family: var(--font-data);
    font-size: var(--fs-100);
    font-weight: 500;
    letter-spacing: var(--tracking-label);
    color: var(--coral-500);
  }

  /* ------------------------------------------------------------------ datos
     Franja de bitácora (DA-09). Se alimenta de campos del CMS, nunca de
     texto escrito en la plantilla (DAT-11). */
  .c-datastrip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--line-dark);
  }

  .c-datastrip__item {
    display: flex;
    flex-direction: column-reverse;  /* el número arriba, la etiqueta abajo */
    padding: var(--sp-3) 0 var(--sp-2);
    padding-right: var(--sp-4);
    border-bottom: 1px solid var(--line-dark);
  }

  .c-datastrip__num {
    display: block;
    font-family: var(--font-data);
    font-size: var(--fs-200);
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--paper-100);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }

  .c-datastrip__label {
    display: block;
    margin-top: 0.35em;
    font-family: var(--font-data);
    font-size: var(--fs-100);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: rgba(251, 247, 239, 0.56);
  }

  @media (min-width: 768px) {
    .c-datastrip {
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border-bottom: 1px solid var(--line-dark);
    }
    .c-datastrip__item { border-bottom: 0; border-right: 1px solid var(--line-dark); }
    .c-datastrip__item:last-child { border-right: 0; }
  }

  /* ------------------------------------------------------------------ eyebrow */
  .c-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-data);
    font-size: var(--fs-100);
    font-weight: 500;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--coral-500);
    margin-bottom: var(--sp-4);
  }

  .c-eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: currentColor;
    flex-shrink: 0;
  }

  /* ------------------------------------------------------------------ caption
     Pie editorial fuera de la imagen, como en revista (DA-10). */
  .c-caption {
    font-family: var(--font-data);
    font-size: var(--fs-100);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: rgba(251, 247, 239, 0.62);
    text-align: right;
    line-height: 1.5;
  }

  /* --------------------------------------------------------- rail / progreso
     El riel es el indicador de scroll del brief, pero con causa: marcas de
     variómetro y el folio de la sección. */
  .c-rail {
    display: none;
    position: fixed;
    left: clamp(12px, 2vw, 28px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 40;
    height: min(46vh, 420px);
    width: 22px;
    align-items: center;
    grid-template-rows: auto 1fr auto;
    justify-items: center;
    gap: var(--sp-3);
    pointer-events: none;
  }

  @media (min-width: 1100px) {
    .c-rail { display: grid; }
  }

  .c-rail__folio {
    writing-mode: vertical-rl;
    font-family: var(--font-data);
    font-size: var(--fs-100);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: rgba(251, 247, 239, 0.5);
    white-space: nowrap;
  }

  .c-rail__track {
    position: relative;
    width: 1px;
    height: 100%;
    background:
      repeating-linear-gradient(
        to bottom,
        rgba(251, 247, 239, 0.28) 0 1px,
        transparent 1px 14px
      );
  }

  .c-rail__fill {
    position: absolute;
    top: 0;
    left: -1px;
    width: 3px;
    height: calc(var(--p, 0) * 100%);
    background: var(--coral-500);
    transition: height 120ms linear;
  }

  /* Barra superior de 2 px en móvil: el riel no cabe */
  .c-progress {
    position: fixed;
    inset: 0 0 auto 0;
    height: 2px;
    z-index: 70;
    background: rgba(251, 247, 239, 0.14);
  }

  .c-progress__fill {
    height: 100%;
    width: calc(var(--p, 0) * 100%);
    background: var(--coral-500);
    transition: width 120ms linear;
  }

  @media (min-width: 1100px) {
    .c-progress { display: none; }
  }

  /* ------------------------------------------------------------- media/bgvideo
     Una sola interfaz para video alojado y YouTube (ADR-15, §13.6). */
  .c-bgvideo {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    background: var(--ink-900);
  }

  .c-bgvideo__poster,
  .c-bgvideo__media iframe,
  .c-bgvideo__media video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .c-bgvideo__poster {
    z-index: 1;
    transition: opacity 600ms var(--ease);
  }

  .c-bgvideo__media {
    position: absolute;
    inset: 0;
    z-index: 0;
  }

  /* Contenedor del reproductor creado por la API de YouTube */
  .c-bgvideo__mount {
    position: absolute;
    inset: 0;
  }

  .c-bgvideo.is-playing .c-bgvideo__poster { opacity: 0; }

  /* Cobertura por proporción: un iframe no acepta object-fit */
  .c-bgvideo[data-provider="youtube"] iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 56.25vw;
    min-width: 177.78vh;
    min-height: 100vh;
    border: 0;
    pointer-events: none;
    transform: translate(-50%, -50%);
  }
}