/* ============================================================
   components.css — pieces shared across pages
   Nav, footer, button, card primitives, fade-in helper.
   ============================================================ */

/* --- Sticky chalkboard nav --------------------------------- */
.chalk-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--chalk);
  color: var(--chalk-dust);
  padding: 16px var(--pad-page-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(232, 224, 210, 0.1);
}

.chalk-nav__logo {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: var(--fs-logo);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--chalk-dust);
}

.chalk-nav__links {
  display: flex;
  gap: 32px;
  font-family: var(--font-hand);
  font-size: var(--fs-nav-link);
}

.chalk-nav__links a {
  color: var(--chalk-dust);
  opacity: 0.7;
  transition: opacity 200ms ease;
}

.chalk-nav__links a:hover,
.chalk-nav__links a.is-active {
  opacity: 1;
}

/* --- Footer ------------------------------------------------ */
.site-footer {
  padding: 80px var(--pad-page-x) 60px;
  text-align: center;
  color: var(--espresso-soft);
  border-top: 1px solid var(--cream-deep);
}

.site-footer__beans {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.site-footer__tagline {
  font-family: var(--font-hand);
  font-size: var(--fs-nav-link);
  color: var(--caramel);
}

/* --- Button (rustic, near-square) -------------------------- */
.btn-rustic {
  background: var(--espresso);
  color: var(--cream);
  border: none;
  padding: 16px 32px;
  border-radius: 2px;
  font-family: var(--font-head);
  font-size: var(--fs-button);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}
.btn-rustic:hover { background: var(--espresso-soft); transform: translateY(-1px); }

/* --- FadeIn helper ----------------------------------------- */
/* JS adds .is-in once the IntersectionObserver fires. */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 800ms var(--ease-fade),
    transform 800ms var(--ease-fade);
}
.fade-in.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* --- Music toggle (fixed bottom-right) --------------------- */
.music-toggle {
  position: fixed;
  /* Lift above the iOS home indicator if the device exposes one. */
  bottom: max(24px, env(safe-area-inset-bottom, 24px));
  right: max(24px, env(safe-area-inset-right, 24px));
  z-index: 60;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--cream-deep);
  color: var(--espresso-soft);
  cursor: pointer;
  box-shadow: 0 6px 14px -8px rgba(43, 29, 20, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform   200ms ease,
    color       200ms ease,
    background  200ms ease,
    border-color 200ms ease,
    box-shadow  200ms ease;
}
.music-toggle:hover {
  transform: translateY(-1px);
  color: var(--espresso);
  border-color: var(--caramel);
  box-shadow: 0 10px 18px -8px rgba(43, 29, 20, 0.3);
}
.music-toggle:focus-visible {
  outline: 2px solid var(--caramel);
  outline-offset: 2px;
}

/* Two icons; show whichever matches the current state */
.music-toggle .music-toggle__icon--on  { display: none; }
.music-toggle .music-toggle__icon--off { display: block; }

.music-toggle--on {
  background: var(--espresso);
  color: var(--cream);
  border-color: var(--espresso);
}
.music-toggle--on:hover {
  background: var(--espresso-soft);
  color: var(--cream);
  border-color: var(--espresso-soft);
}
.music-toggle--on .music-toggle__icon--on  { display: block; }
.music-toggle--on .music-toggle__icon--off { display: none; }

@media (max-width: 480px) {
  .music-toggle {
    bottom: max(16px, env(safe-area-inset-bottom, 16px));
    right:  max(16px, env(safe-area-inset-right,  16px));
    width: 44px;
    height: 44px;
  }
}

/* --- Mobile nav --------------------------------------------
   All five nav links wrap onto a second row on narrow screens
   rather than being hidden behind a hamburger. Keep gaps and
   font-size readable; rely on flex-wrap on chalk-nav__links. */
@media (max-width: 720px) {
  .chalk-nav { padding: 14px var(--pad-page-x); }
  .chalk-nav__links { gap: 14px 16px; font-size: 17px; flex-wrap: wrap; row-gap: 6px; }
}
@media (max-width: 420px) {
  .chalk-nav__logo { letter-spacing: 0.18em; font-size: 16px; }
  .chalk-nav__links { gap: 14px; font-size: 16px; }
}