/* FOOTER4 — pied de page « Signature » */
.ft4 {
  position: relative; overflow: hidden;
  background: var(--ft4-bg, #0e1330); color: var(--ft4-text, #fff);
  font-family: var(--ft4-text-font, var(--fx-font-body));
  padding: var(--ft4-pad, 96px 0 0);
}
.ft4-inner { display: grid; gap: clamp(56px, 7vw, 96px); }

/* Appel à l'écoute */
.ft4-cta {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 32px 48px;
  padding-bottom: clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--ft4-border, rgba(255, 255, 255, .15));
}
.ft4-cta-text { display: grid; gap: 18px; max-width: 760px; }
.ft4-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ft4-label-font, var(--fx-font-accent)); font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ft4-accent, #ff5b2e);
}
.ft4-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: ft4-pulse 1.8s ease-out infinite; }
@keyframes ft4-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ft4-accent, #ff5b2e) 70%, transparent); } 80%, 100% { box-shadow: 0 0 0 9px transparent; } }
.ft4 .ft4-cta-title {
  font-family: var(--ft4-name-font, var(--fx-font-heading)); font-weight: var(--ft4-name-weight, 800);
  font-size: clamp(30px, 4.2vw, 56px); line-height: 1.02; letter-spacing: -.02em; color: inherit;
}

.ft4-listen {
  display: inline-flex; align-items: center; gap: 14px; flex: none;
  padding: 10px 28px 10px 10px; border-radius: var(--ft4-btn-radius, 999px);
  background: var(--ft4-btn-bg, #1f3bff); color: var(--ft4-btn-text, #fff);
  font-weight: 700; font-size: 17px; text-decoration: none; white-space: nowrap;
  transition: transform .18s ease, filter .18s ease;
}
.ft4-listen:hover { transform: translateY(-2px); filter: brightness(1.08); }
.ft4-listen:focus-visible { outline: 2px solid var(--ft4-text, #fff); outline-offset: 4px; }
.ft4-listen-icon {
  display: grid; place-items: center; width: 50px; height: 50px; border-radius: calc(var(--ft4-btn-radius, 999px) * .8);
  background: color-mix(in srgb, var(--ft4-btn-text, #fff) 16%, transparent);
}
.ft4-listen .i-play { transform: translateX(1px); }
.ft4-listen .i-pause, .ft4-listen.is-playing .i-play { display: none; }
.ft4-listen.is-playing .i-pause { display: block; }
.ft4-listen-eq { display: none; align-items: flex-end; gap: 2px; height: 14px; }
.ft4-listen-eq i { width: 3px; height: 100%; background: currentColor; border-radius: 1px; transform-origin: bottom; animation: ft4-eq .9s ease-in-out infinite; }
.ft4-listen-eq i:nth-child(2) { animation-duration: .7s; animation-delay: -.3s; }
.ft4-listen-eq i:nth-child(3) { animation-duration: 1.1s; animation-delay: -.5s; }
.ft4-listen.is-playing .ft4-listen-eq { display: inline-flex; }
@keyframes ft4-eq { 0%, 100% { transform: scaleY(.3); } 50% { transform: scaleY(1); } }

/* Colonnes */
.ft4-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 48px; }
.ft4-intro { display: grid; align-content: start; gap: 28px; padding-right: 32px; }
.ft4-tagline { font-family: var(--ft4-name-font, var(--fx-font-heading)); font-size: clamp(20px, 2vw, 26px); line-height: 1.25; max-width: 22ch; }

.ft4 .ft4-heading {
  margin-bottom: 20px;
  font-family: var(--ft4-label-font, var(--fx-font-accent)); font-weight: 500; font-size: 12px; line-height: 1.3;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ft4-muted, rgba(255, 255, 255, .64));
}
.ft4-links { display: grid; gap: 10px; }
.ft4-links a, .ft4-links span { color: inherit; text-decoration: none; font-size: 16px; line-height: 1.35; }
.ft4-links a { display: inline-flex; align-items: center; gap: 0; transition: color .15s ease, gap .2s ease; }
.ft4-links a::before { content: ""; width: 0; height: 1px; background: var(--ft4-accent, #ff5b2e); transition: width .2s ease, margin .2s ease; }
.ft4-links a:hover, .ft4-links a[aria-current="page"] { color: var(--ft4-accent, #ff5b2e); }
.ft4-links a:hover::before { width: 14px; margin-right: 8px; }

.ft4-coords { display: grid; gap: 10px; font-style: normal; font-size: 16px; line-height: 1.45; }
.ft4-coords p:first-child { color: var(--ft4-muted, rgba(255, 255, 255, .64)); }
.ft4-coords a { color: inherit; text-decoration: none; overflow-wrap: anywhere; }
.ft4-coords a:hover { color: var(--ft4-accent, #ff5b2e); text-decoration: underline; text-underline-offset: 4px; }

.ft4-socials { display: flex; flex-wrap: wrap; gap: 12px; }
.ft4-socials a {
  display: grid; place-items: center; width: var(--ft4-social, 56px); height: var(--ft4-social, 56px); border-radius: 50%;
  border: 1px solid var(--ft4-border, rgba(255, 255, 255, .15)); color: inherit;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.ft4-socials a:hover { background: var(--ft4-text, #fff); color: var(--ft4-bg, #0e1330); border-color: var(--ft4-text, #fff); transform: translateY(-2px); }

/* Signature typographique */
.ft4-mark { margin-bottom: -.02em; }
.ft4-mark-link { display: block; color: inherit; text-decoration: none; }
.ft4-name {
  display: inline-block; white-space: nowrap; line-height: .82;
  font-family: var(--ft4-name-font, var(--fx-font-heading)); font-weight: var(--ft4-name-weight, 800);
  letter-spacing: var(--ft4-name-tracking, -.04em); text-transform: var(--ft4-name-transform, none);
  /* --ft4-fit est calculé par le script pour occuper toute la largeur ; repli CSS sans script. */
  font-size: min(var(--ft4-name-max, 260px), var(--ft4-fit, 11vw));
  padding-bottom: .06em;
}
.ft4-name-text { display: inline-block; }
.ft4-name-dot { color: var(--ft4-accent, #ff5b2e); }
.ft4-mark-link:hover .ft4-name-dot { animation: ft4-blink .9s steps(1) infinite; }
@keyframes ft4-blink { 50% { opacity: 0; } }
.ft4-brand-logo .ft4-mark { padding-bottom: 48px; }
.ft4-logo { height: var(--ft4-logo-h, 120px); width: auto; max-width: 100%; }

/* Barre inférieure */
.ft4-bottom { border-top: 1px solid var(--ft4-border, rgba(255, 255, 255, .15)); }
.ft4-bottom-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 10px 24px; min-height: 64px; padding-block: 16px;
  font-size: 13px; color: var(--ft4-muted, rgba(255, 255, 255, .64));
}
.ft4-sep { margin: 0 10px; opacity: .5; }
.ft4-powered { font-family: var(--ft4-label-font, var(--fx-font-accent)); font-size: 12px; letter-spacing: .04em; }
.ft4-powered strong { font-weight: 600; color: var(--ft4-text, #fff); }

@media (max-width: 980px) {
  .ft4-cta { flex-direction: column; align-items: flex-start; }
  .ft4-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; }
  .ft4-intro { grid-column: 1 / -1; padding-right: 0; grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
}
@media (max-width: 620px) {
  .ft4-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ft4-intro { grid-template-columns: minmax(0, 1fr); }
  .ft4-listen { font-size: 16px; padding-right: 22px; }
  .ft4-listen-icon { width: 44px; height: 44px; }
  .ft4-socials a { width: min(var(--ft4-social, 56px), 48px); height: min(var(--ft4-social, 56px), 48px); }
  .ft4-bottom-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 420px) {
  .ft4-grid { grid-template-columns: minmax(0, 1fr); }
}