/* Floating contact buttons (WhatsApp, mail) shared by every page.
   Uses each page's tokens: --ink, --ink-2, --accent, --margin, --ease. */
.fab {
  position: fixed; z-index: 11;
  right: var(--margin); bottom: var(--margin);   /* right edge lines up with the theme switch */
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
  animation: fab-in 1.2s cubic-bezier(.25, .46, .45, .94) .6s both;
}
.fab-item { position: relative; }
.fab-btn {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; padding: 0; cursor: pointer;
  background: var(--raise); border: 1px solid var(--line); color: var(--accent);
  font: inherit;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), transform .3s var(--ease);
}
.fab-btn:hover, .fab-btn[aria-expanded="true"] { color: var(--ink); background: var(--raise-2); border-color: var(--line-strong); }
.fab-btn:hover { transform: translateY(-2px); }
.fab-btn svg { width: 20px; height: 20px; }
.fab-btn .x { display: none; }
.fab-btn[aria-expanded="true"] .ico { display: none; }
.fab-btn[aria-expanded="true"] .x { display: block; }

/* Panels open to the left of their button */
.fab-panel {
  position: absolute; right: calc(100% + 12px); bottom: 0;
  width: max-content; max-width: min(300px, calc(100vw - 110px));
  padding: 16px 18px;
  background: var(--raise); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 18px 40px var(--shadow);
  font: 400 15px/1.45 "DM Sans", system-ui, sans-serif; color: var(--ink-2); text-align: left;
  opacity: 0; transform: translateX(8px); pointer-events: none; visibility: hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s linear .3s;
}
.fab-panel.open { opacity: 1; transform: none; pointer-events: auto; visibility: visible; transition: opacity .3s var(--ease), transform .3s var(--ease); }
.fab-panel a { color: var(--ink); text-decoration: none; }
.fab-panel a:hover { color: var(--accent); }
.fab-panel .go { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; font-size: 16px; }
.fab-panel .go span, .fab-panel .send span { transition: transform .25s var(--ease); }
.fab-panel .go:hover span, .fab-panel .send:hover span { transform: translateX(3px); }
.fab-panel .or { margin: 8px 0 0; padding-top: 10px; border-top: 1px solid var(--line); }
.fab-panel .only-email .or { margin: 0; padding: 0; border: 0; }
.fab-panel .mail-row { display: flex; align-items: center; gap: 10px; margin-top: 2px; }
.fab-panel .copy {
  border: 1px solid var(--line); background: transparent; color: var(--ink-2); cursor: pointer;
  font: 400 12px/1 "DM Sans", system-ui, sans-serif; padding: 6px 10px; border-radius: 999px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.fab-panel .copy:hover { color: var(--ink); border-color: var(--line-strong); }

/* WhatsApp panel: write a message, Send opens WhatsApp with it */
.fab-wa { width: 300px; }
.fab-wa label { display: block; margin: 0 0 10px; font-size: 15px; color: var(--ink); }
.fab-wa textarea {
  display: block; width: 100%; min-height: 84px; resize: none;
  font: 400 15px/1.45 "DM Sans", system-ui, sans-serif; color: var(--ink);
  background: var(--ground); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; outline: none;
  transition: border-color .2s var(--ease);
}
.fab-wa textarea::placeholder { color: var(--ink-3); }
.fab-wa textarea:focus { border-color: var(--line-strong); }
.fab-wa .row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.fab-wa .hint { font-size: 12px; color: var(--ink-hint); }
.fab-wa .send {
  display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 16px; cursor: pointer;
  border-radius: 999px; border: 1px solid var(--ink); background: var(--ink); color: var(--ground);
  font: 400 14px/1 "DM Sans", system-ui, sans-serif;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.fab-wa .send:hover { background: transparent; color: var(--ink); }

@keyframes fab-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .fab { animation: none; } .fab-btn, .fab-panel, .fab-panel.open { transition: none; } }
@media (max-width: 700px) {
  .fab { right: var(--margin); bottom: 16px; gap: 10px; }   /* right edge lines up with the theme switch */
  .fab-btn { width: 50px; height: 50px; }
  .fab-wa { width: calc(100vw - 110px); }
}