/* ── Easing ── */
:root {
  --menu-easing: cubic-bezier(0.19, 1, 0.22, 1);
}

/* ── Mobile Menu Overlay ── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--red);
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 2.8vw, 53px) clamp(20px, 2.1vw, 41px);
  overflow: clip;

  /* Closed: slide up */
  transform: translateY(-105%);
  pointer-events: none;
  transition: transform 1s var(--menu-easing);
}

/* Open: slide in */
.mobile-menu.is-open {
  transform: translateY(0);
  pointer-events: auto;
  transition: transform 1.5s var(--menu-easing);
}

/* ── Nav links ── */
.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 60px;
}

.mobile-menu__link {
  color: #ffffff;
  font-family: "Poppins", Arial, sans-serif;
  font-size: var(--fs-body-lg);
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;

  /* Stagger: start hidden below */
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--menu-easing),
    transform 0.8s var(--menu-easing);
}

/* Stagger delays — bottom-up reveal */
.mobile-menu.is-open .mobile-menu__link:nth-child(1) {
  opacity: 1; transform: translateY(0); transition-delay: 0.7s;
}
.mobile-menu.is-open .mobile-menu__link:nth-child(2) {
  opacity: 1; transform: translateY(0); transition-delay: 0.6s;
}
.mobile-menu.is-open .mobile-menu__link:nth-child(3) {
  opacity: 1; transform: translateY(0); transition-delay: 0.5s;
}

/* Reset on close — no delay */
.mobile-menu:not(.is-open) .mobile-menu__link {
  opacity: 0;
  transform: translateY(30px);
  transition-delay: 0s;
}

/* ── CTA link ── */
.mobile-menu__cta {
  margin-top: 24px;
  color: #ffffff;
  font-family: "Poppins", Arial, sans-serif;
  font-size: var(--fs-body-lg);
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;

  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--menu-easing),
    transform 0.8s var(--menu-easing);
}

.mobile-menu.is-open .mobile-menu__cta {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.8s;
}

.mobile-menu:not(.is-open) .mobile-menu__cta {
  opacity: 0;
  transform: translateY(30px);
  transition-delay: 0s;
}

/* ── Logo at bottom ── */
.mobile-menu__logo {
  margin-top: auto;
  width: 100%;
  max-width: 100%;
  height: auto;
  filter: brightness(0) invert(1);

  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 2s var(--menu-easing),
    transform 2s var(--menu-easing);
}

.mobile-menu.is-open .mobile-menu__logo {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.9s;
}

.mobile-menu:not(.is-open) .mobile-menu__logo {
  opacity: 0;
  transform: translateY(40px);
  transition-delay: 0s;
}

/* ── Language switcher ── */
.mobile-menu__lang {
  display: flex;
  gap: 20px;
  padding-top: 24px;

  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 1s var(--menu-easing),
    transform 1s var(--menu-easing);
}

.mobile-menu.is-open .mobile-menu__lang {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1.1s;
}

.mobile-menu:not(.is-open) .mobile-menu__lang {
  opacity: 0;
  transform: translateY(20px);
  transition-delay: 0s;
}

.mobile-menu__lang-item {
  color: rgba(255, 255, 255, 0.5);
  font-family: "Poppins", Arial, sans-serif;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-menu__lang-item.is-active {
  color: #ffffff;
}