/* ==========================================================================
   Altaïr Live — Bloc d'abonnement YouTube
   Fichier : assets/css/youtube.css
   À charger après style.css et editorial.css.
   L'icône du menu n'a besoin d'aucun style : elle réutilise .social-icon.
   ========================================================================== */

.yt-subscribe {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 26px 30px;
  margin: 0 0 46px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(197, 20, 23, .16), rgba(197, 20, 23, 0) 62%),
    rgba(255, 255, 255, .035);
  transition: border-color .35s, background .35s, transform .35s;
}

.yt-subscribe:hover {
  border-color: rgba(255, 255, 255, .28);
  transform: translateY(-2px);
}

/* Pastille de lecture ------------------------------------------------------ */

.yt-subscribe-mark {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  flex: none;
}

.yt-subscribe-mark svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

/* Textes ------------------------------------------------------------------- */

.yt-subscribe-body {
  min-width: 0;
}

.yt-subscribe-eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--acid);
  margin: 0 0 7px;
}

.yt-subscribe-title {
  font-family: var(--serif);
  font-size: clamp(21px, 2.4vw, 29px);
  line-height: 1.16;
  margin: 0 0 8px;
  color: inherit;
}

.yt-subscribe-title .serif {
  font-family: var(--serif);
}

.yt-subscribe-note {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  opacity: .74;
}

/* Bouton ------------------------------------------------------------------- */

.yt-subscribe-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border: 0;
  border-radius: 999px;
  background: var(--red);
  color: var(--white);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .3s, box-shadow .3s, filter .3s;
}

.yt-subscribe-cta::after {
  display: none !important;
}

.yt-subscribe-cta svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
  flex: none;
}

.yt-subscribe-cta:hover,
.yt-subscribe-cta:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 14px 34px rgba(197, 20, 23, .38);
  outline: none;
}

.yt-subscribe-cta:focus-visible {
  box-shadow: 0 0 0 3px var(--acid);
}

/* Variante discrète, pour la fin de page ou le pied d'un article ----------- */

.yt-subscribe.is-quiet {
  background: rgba(255, 255, 255, .03);
  padding: 20px 24px;
  gap: 20px;
}

.yt-subscribe.is-quiet .yt-subscribe-mark {
  width: 48px;
  height: 48px;
}

.yt-subscribe.is-quiet .yt-subscribe-mark svg {
  width: 23px;
  height: 23px;
}

.yt-subscribe.is-quiet .yt-subscribe-title {
  font-size: clamp(18px, 1.9vw, 22px);
}

/* Mobile ------------------------------------------------------------------- */

@media (max-width: 860px) {
  .yt-subscribe {
    grid-template-columns: auto 1fr;
    gap: 18px 20px;
    padding: 22px;
  }

  .yt-subscribe-cta {
    grid-column: 1 / -1;
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .yt-subscribe {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .yt-subscribe-mark {
    margin: 0 auto;
  }

  .yt-subscribe-cta {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .yt-subscribe,
  .yt-subscribe-cta {
    transition: none;
  }

  .yt-subscribe:hover,
  .yt-subscribe-cta:hover {
    transform: none;
  }
}

/* Téléphone et tablette : même échelle et même mise en page que le reste du site */

@media (min-width: 481px) and (max-width: 1250px) {
  .yt-subscribe {
    grid-template-columns: auto 1fr;
    gap: 18px 20px;
  }

  .yt-subscribe-cta {
    grid-column: 1 / -1;
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 1250px) {
  .yt-subscribe-eyebrow {
    font-size: .76rem;
  }

  .yt-subscribe-title {
    font-size: 1.75rem;
  }

  .yt-subscribe.is-quiet .yt-subscribe-title {
    font-size: 1.4rem;
  }

  .yt-subscribe-note {
    font-size: 1rem;
  }

  .yt-subscribe-cta {
    min-height: 50px;
    font-size: .95rem;
  }
}