/* ============================================================
   Avrile — Footer
   Fond aurora animé, 104vh, wordmark géante croissante au scroll.
   ============================================================ */

.avr-footer {
  position: relative;
  z-index: 2;
  background-color: #E8E4D3;
  padding: clamp(48px, 7vw, 88px) clamp(28px, 5vw, 76px) 0;
  overflow: hidden;
  height: 104vh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

/* ----------------------------------------------------------
   Aurora — layers animées (cross-fade)
   Classe avr-aurora depuis global-classes.css
   Images : aurora-state-1.png / aurora-state-2.png
---------------------------------------------------------- */
.avr-footer .avr-aurora {
  inset: -6%;
  max-width: none;
  max-height: none;
}

.avr-footer .avr-aurora__layer--a {
  opacity: 1;
  background-color: #EFEAD8;
  background-image: url('../assets/brand/aurora-state-1.png');
}

.avr-footer .avr-aurora__layer--b {
  opacity: 0;
  background-color: #EFEAD8;
  background-image: url('../assets/brand/aurora-state-2.png');
}

/* ----------------------------------------------------------
   Grain texture
---------------------------------------------------------- */
.avr-footer__grain {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.5;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 180px 180px;
}

/* ----------------------------------------------------------
   Contenu interne — grille 3 colonnes
---------------------------------------------------------- */
.avr-footer__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(300px, 1.3fr) minmax(160px, auto);
  align-items: start;
  gap: clamp(32px, 5vw, 88px);
  width: 100%;
  max-width: 1640px;
  margin: 0 auto;
}

/* ----------------------------------------------------------
   Colonne contacts
---------------------------------------------------------- */
.avr-footer__contacts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(20px, 2.2vw, 32px);
}

/* ----------------------------------------------------------
   Pilule label (nos contacts / newsletter)
---------------------------------------------------------- */
.avr-footer__pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-family: var(--avr-font-mono);
  font-size: 12px;
  font-weight: var(--avr-weight-regular);
  letter-spacing: 0.02em;
  text-transform: lowercase;
  background: transparent;
  color: var(--avr-color-raisin-deep);
  border: 1px solid rgba(36, 16, 22, 0.42);
  border-radius: 8px;
  padding: 7px 16px;
  opacity: 0.85;
}

/* ----------------------------------------------------------
   Adresse
---------------------------------------------------------- */
.avr-footer__address {
  font-style: normal;
  font-family: var(--avr-font-body);
  font-weight: 500;
  font-size: clamp(15px, 1.05vw, 18px);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--avr-color-raisin-deep);
}

/* ----------------------------------------------------------
   Colonne newsletter
---------------------------------------------------------- */
.avr-footer__news {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(20px, 2.2vw, 32px);
  align-self: stretch;
}

.avr-footer__form {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 20px;
  border-bottom: 1px solid rgba(42, 15, 24, 0.42);
  padding-bottom: 12px;
  width: 100%;
}

.avr-footer__form input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--avr-font-body);
  font-weight: 500;
  font-size: clamp(18px, 1.5vw, 23px);
  letter-spacing: -0.01em;
  color: var(--avr-color-raisin-deep);
  padding: 0;
}

.avr-footer__form input::placeholder {
  color: rgba(36, 16, 22, 0.55);
  opacity: 1;
}

.avr-footer__form button {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--avr-font-body);
  font-weight: 500;
  font-size: clamp(16px, 1.3vw, 20px);
  letter-spacing: -0.01em;
  color: var(--avr-color-raisin-deep);
  padding: 0;
  transition: gap var(--avr-duration-quick) var(--avr-ease-standard),
              opacity var(--avr-duration-quick) var(--avr-ease-standard);
}

.avr-footer__form button:hover {
  gap: 16px;
  opacity: 0.7;
}

.avr-footer__form button .avr-footer__arrow {
  font-size: 1em;
  line-height: 1;
}

/* ----------------------------------------------------------
   Copyright
---------------------------------------------------------- */
.avr-footer__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  align-self: start;
  text-align: right;
}

.avr-footer__copy p {
  font-family: var(--avr-font-mono);
  font-size: var(--avr-text-mono);
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--avr-color-raisin-deep);
}

/* ----------------------------------------------------------
   Wordmark géante — croît au scroll via --avr-wm (0→1)
   Positionnée absolument en bas, centrée, déborde volontairement.
---------------------------------------------------------- */
.avr-footer__wordmark {
  position: absolute;
  left: 50%;
  bottom: -8.7vw;
  transform: translateX(-50%) scale(calc(0.42 + 0.46 * var(--avr-wm, 0)));
  transform-origin: center bottom;
  will-change: transform;
  transition: transform 0.12s linear;
  z-index: 2;
  pointer-events: none;
  user-select: none;
  width: 114vw;
}

.avr-footer__wordmark-svg {
  width: 100%;
  height: auto;
  display: block;
  color: #FFFFFF;
  opacity: 0.9;
}

/* ----------------------------------------------------------
   Responsive
---------------------------------------------------------- */
@media (max-width: 900px) {
  .avr-footer__inner {
    grid-template-columns: 1fr;
    gap: clamp(36px, 8vw, 56px);
  }

  .avr-footer__copy {
    align-items: flex-start;
    text-align: left;
  }

  .avr-footer__wordmark {
    width: 152vw;
    bottom: -14vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .avr-footer .avr-aurora__layer--a { animation: none; opacity: 1; }
  .avr-footer .avr-aurora__layer--b { animation: none; opacity: 0; }
}