/* ==========================================================================
   Actions — a small, square button family plus the persistent WhatsApp affordance
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1rem 1.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  font-family: var(--font-text);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.btn svg { flex: none; }

.btn--primary { background-color: var(--accent); color: #04130b; }
.btn--primary:hover { background-color: var(--accent-lift); }

/* Outline on ink */
.btn--line {
  border-color: rgba(247, 245, 241, 0.3);
  color: var(--ink-fg);
}

.btn--line:hover {
  border-color: var(--ink-fg);
  background-color: rgba(247, 245, 241, 0.06);
}

/* Outline on bone */
.btn--line-dark {
  border-color: rgba(11, 22, 34, 0.28);
  color: var(--bone-fg);
}

.btn--line-dark:hover {
  border-color: var(--bone-fg);
  background-color: rgba(11, 22, 34, 0.04);
}

.btn--lg { padding: 1.3rem 2.75rem; font-size: clamp(1rem, 0.9rem + 0.4vw, 1.15rem); }
.btn--block { width: 100%; }

/* ==========================================================================
   Floating WhatsApp button — the brief requires it to stay reachable
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  inset-block-end: clamp(1rem, 0.4rem + 1.8vw, 2rem);
  /* inline end = bottom left in RTL: the mirror of the familiar FAB slot */
  inset-inline-end: clamp(1rem, 0.4rem + 1.8vw, 2rem);
  z-index: var(--z-float);

  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1.25rem 0.7rem 0.7rem;
  border-radius: 999px;
  background-color: var(--accent);
  color: #04130b;
  font-size: var(--fs-sm);
  font-weight: 600;
  box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.85);

  /* Held back until the hero CTA scrolls away so the two never compete.
     Without JS nothing would ever reveal it, hence the no-JS rule below. */
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.75rem);
  transition:
    opacity var(--dur-mid) var(--ease),
    transform var(--dur-mid) var(--ease),
    visibility var(--dur-mid) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.whatsapp-float.is-visible,
html:not(.has-js) .whatsapp-float {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.whatsapp-float:hover { background-color: var(--accent-lift); }

.whatsapp-float__icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: rgba(4, 19, 11, 0.15);
}

.whatsapp-float__icon svg { width: 1.2rem; height: 1.2rem; }