/**
 * WhatsApp one-click contact — shared styles for section CTA + floating FAB.
 * Brand green: https://whatsappbrand.com/
 */

:root {
  --wa-green: #25d366;
  --wa-green-hover: #20bd5a;
  --wa-shadow: rgba(37, 211, 102, 0.35);
}

/* ------------------------------------------------------------------------- */
/* Inline SVG inside buttons inherits white fill                              */
/* ------------------------------------------------------------------------- */
.whatsapp-icon {
  flex-shrink: 0;
  display: block;
}

/* ------------------------------------------------------------------------- */
/* Contact section — primary CTA row                                          */
/* ------------------------------------------------------------------------- */
.whatsapp-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  color: #fff;
  background-color: var(--wa-green);
  box-shadow: 0 10px 25px -5px var(--wa-shadow);
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.whatsapp-contact-btn:hover {
  background-color: var(--wa-green-hover);
  transform: scale(1.02);
  box-shadow: 0 14px 32px -6px var(--wa-shadow);
}

.whatsapp-contact-btn:focus {
  outline: none;
}

.whatsapp-contact-btn:focus-visible {
  box-shadow:
    0 0 0 2px #050505,
    0 0 0 4px var(--wa-green);
}

/* ------------------------------------------------------------------------- */
/* Floating FAB — fixed bottom-right                                        */
/* ------------------------------------------------------------------------- */
.whatsapp-float-wrap {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 60; /* above .page-edge-glow (45) and header (50) */
  /* In-flow child (the FAB) sets size; absolute tooltip positions against this box */
  display: inline-block;
}

@media (min-width: 768px) {
  .whatsapp-float-wrap {
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

.whatsapp-float-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  color: #fff;
  background-color: var(--wa-green);
  box-shadow: 0 10px 28px -4px var(--wa-shadow);
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.whatsapp-float-btn:hover {
  background-color: var(--wa-green-hover);
  transform: scale(1.06);
  box-shadow: 0 14px 36px -6px var(--wa-shadow);
}

.whatsapp-float-btn:focus {
  outline: none;
}

.whatsapp-float-btn:focus-visible {
  box-shadow:
    0 0 0 2px #030303,
    0 0 0 4px var(--wa-green),
    0 10px 28px -4px var(--wa-shadow);
}

/* Soft pulse ring behind FAB */
.whatsapp-float-btn.whatsapp-float-pulse::before {
  content: "";
  position: absolute;
  inset: -5px;
  z-index: -1;
  border-radius: 9999px;
  background-color: var(--wa-green);
  opacity: 0.45;
  animation: whatsapp-pulse-ring 2.2s ease-out infinite;
  pointer-events: none;
}

@keyframes whatsapp-pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  70% {
    transform: scale(1.4);
    opacity: 0;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* ------------------------------------------------------------------------- */
/* Tooltip (desktop hover / keyboard focus)                                  */
/* ------------------------------------------------------------------------- */
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  padding: 0.4rem 0.65rem;
  max-width: 12rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  color: #fafafa;
  background: rgba(24, 24, 27, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
}

.whatsapp-float-wrap:hover .whatsapp-tooltip,
.whatsapp-float-wrap:focus-within .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* Narrow viewports: show tooltip above so it stays on-screen */
@media (max-width: 380px) {
  .whatsapp-tooltip {
    right: auto;
    left: 50%;
    top: auto;
    bottom: calc(100% + 0.5rem);
    transform: translateX(-50%) translateY(4px);
    white-space: normal;
    text-align: center;
  }

  .whatsapp-float-wrap:hover .whatsapp-tooltip,
  .whatsapp-float-wrap:focus-within .whatsapp-tooltip {
    transform: translateX(-50%) translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-contact-btn,
  .whatsapp-float-btn {
    transition: none;
  }

  .whatsapp-contact-btn:hover,
  .whatsapp-float-btn:hover {
    transform: none;
  }

  .whatsapp-float-btn.whatsapp-float-pulse::before {
    animation: none;
  }

  .whatsapp-tooltip {
    transition: none;
  }
}